TY - GEN AU - Amr Mohamed Hassan AU - Algohary Mohamed Algohary , AU - Mahmoud Attia Mohamed , AU - Reda Hussein Kamel , TI - Midline skull base tumors / PY - 2008/// CY - Cairo : PB - Amr Mohamed Hassan , KW - Chemotherapy KW - Hormonal therapy KW - Midline skull base tumors N1 - Thesis(M.Sc.) - Cairo University - Faculty of Medicine - Department of E.N.T; Issued also as CD N2 - Conventional fractionated radiotherapy has been used primarily for malignant skull base tumors and radiosensitive tumors of the intermediate malignant type radiation therapy also reduces the growth and recurrence rates of some of the benign tumors including paragangliomas ER -